Home / 19,068.85-26,285.85-13,387.66

Finding the Fourth Proportional to 19,068.85, 26,285.85 and 13,387.66

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Solution

The fourth proportional to 19,068.85, 26,285.85 and 13,387.66 is: 18,454.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,068.85 : 26,285.85 = 13,387.66 : x
  2. Step 2: Convert to fraction form
    19,068.85/26,285.85 = 13,387.66/x
  3. Step 3: Cross multiply
    19,068.85x = 26,285.85 × 13,387.66
  4. Step 4: Simplify right side
    19,068.85x = 351,906,022.61
  5. Step 5: Solve for x
    x = 351,906,022.61/19,068.85
  6. Step 6: Final answer
    x = 18,454.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.